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Proceedings of the AAABG 18th Conference

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Ancillary pages
AAABG and President's Message	i-vii
AAABG Fellows	viii
AAABG Honorary Members	xiv
Helen Newton Turner Medal	xvi
Helen Newton Turner Medal Oration 2007	xvii
Citations of Papers and List of Reviewers	xxii
Table of Contents	xxiii
Author Index	672

Papers
Epigenetics
Imprinted genes in man and mouse are model systems in comparative epigenomics	1
Martina Paulsen
Animal Genetics
The influence of animal breeding on The Origin of Species by Charles Darwin	7
O. Mayo
Charles Darwin in Australia: his zoological observations	11
F.W. Nicholas
The genetics of sexual dimorphism in sheep	14
B.W. Gudex, C. Gondro, K. Marshall and J.H.J. van der Werf
Sexual dimorphism of genes regulating skeletal muscle growth in Bali cattle	18
G.S. Nattrass, Dahlanuddin, D.P. Poppi and S.P. Quigley
Delivery of genomics to industry
Progress in development and implementation of a strategy for commercialisation of DNA marker technology for the Australian beef industry	22
R.G. Banks, H. Burrow and H.-U. Graser
Genomic selection based on dense genotypes inferred from sparse genotypes	26
M.E. Goddard and B.J. Hayes
Integration of DNA markers into BREEDPLAN EBVS	30
D.J. Johnston, B. Tier and H.-U. Graser
Accuracy of genomic selection: comparing theory and results	34
B.J. Hayes, H.D. Daetwyler, P. Bowman, G. Moser, B. Tier, R. Crump, M. Khatkar, H.W. Raadsma and M.E. Goddard
Potential benefit of genomic selection in sheep	38
J.H.J. van der Werf
Genotype by environment interactions
Genotype x Environment interactions and Merino breeding programmes for wool production	42
B.J. McGuirk
Sire by flock-year interactions for body weight in Poll Dorset sheep	48
D.J. Brown, A.A. Swan, D.J. Johnston and H.-U. Graser
Classifying sheep grazing environments using satellite data to quantify genotype by environment interactions	52
M.B. Whelan, D.J. Cottle, K.G. Geenty and D.J. Brown
Genotype by environment interaction between registered and commercial herds for dairy traits in Australia	56
M. Haile-Mariam and M.E. Goddard
Genotype by environmental interaction for live weight between two production environments in the GIFT strain (Oreochromis niloticus)	60
H.L. Khaw, R.W. Ponzoni, A. Hamzah and N. Kamaruzzaman
Genomic selection
Variability in the distributions of single nucleotide polymorphism effects in livestock populations	64
E.J. Smith and J.M. Henshall
Use of genotype probabilities and selective genotyping for estimation of marker effects	68
M.L.A.N.R. Deepani and B.P. Kinghorn
Phasing of SNP data by combined recursive long range phasing and long range haplotype imputation	72
J.M. Hickey, B.P. Kinghorn, B. Tier and J.H.J. van der Werf
A recursive algorithm for long range phasing of SNP genotypes	76
B.P. Kinghorn, J.M. Hickey and J.H.J. van der Werf
Genomic selection using a fast EM algorithm 2. Analysis of simulated data	80
R.K. Shepherd and J.A. Woolliams
Genomic selection using a fast EM algorithm 1. Understanding the methodology	84
R.K. Shepherd, T.H.E. Meuwissen and J.A. Woolliams
Behaviour and welfare
Mapping the Horns Locus in Sheep	88
N. Pickering, T. Johnson, B. Auvray, K.G. Dodds and J.C. McEwan
Genetic markers for polled condition in cattle - the current status and the future plans	92
K.C. Prayaga, M. Mariasegaram, B. Harrison, B. Tier, J.M. Henshall and W. Barendse
The genetics of temperament traits in Merino sheep	96
K.L. Lennon, M.L. Hebart, F.D. Brien and P.I. Hynd
The role of cytochrome P450 17-alpha-hydroxylase/17,20-lyase (CYP17) in the stress coping ability in a divergently selected Merino sheep population	100
D. van der Walt, S.W.P. Cloete, K. Storbeck and P. Swart
The improvement of lamb survival of Merino sheep as a correlated response to direct selection for rearing ability	104
S.W.P. Cloete, I. Misztal and J.J. Olivier
Genetics of lamb survival: preliminary studies of the Information Nucleus Flock	108
F.D. Brien, M.L. Hebart, J.E. Hocking-Edwards, J.C. Greeff, K.W. Hart, G. Refshauge, G. Gaunt, R. Behrend, K. Thomson, G.N. Hinch, K.G. Geenty and J.H.J. van der Werf
Beef Cattle I
John Edward Vercoe AM FSTE FAIAST 1936 - 2005	112
H. Burrow
Interbreed evaluation of productivity under low and moderate dry matter availabilities	113
T.G. Jenkins
Maternal productivity in industry herds: Preliminary results	117
K.A. Donoghue and P.F. Parnell
Genetic variation in growth, hormonal and seminal traits of young tropically adapted bulls	121
N.J. Corbet, B.M. Burns, D.H. Corbet, D.J. Johnston, J.M. Crisp, M.R. McGowan, K.C. Prayaga, B.K. Venus and R.G. Holroyd
Genome wide association studies for net feed intake, body weight and hip height in beef cattle	125
S. Bolormaa and M.E. Goddard
Validation and estimation of additive genetic variation associated with DNA tests for quantitative beef cattle traits	129
A.L. Van Eenennaam, R.M. Thallman, R.L. Quaas, K. Hanford and E.J. Pollak
Dairy Cattle
Genotype by environment interactions in international genetic evaluations of dairy bulls	133
J.H. Jakobsen, J.W. Durr, H. Jorjani, F. Forabosco, A. Loberg and J. Philipsson
Updated index weights for the Australian Profit Ranking in dairy cattle	143
J.E. Pryce, J.H.J. van der Werf, M. Haile-Mariam, B. Malcolm and M.E. Goddard
Genetic markers for lactation persistency in Australian dairy cows	147
J.E. Pryce, M. Haile-Mariam, K. Verbyla, P.J. Bowman, M.E. Goddard and B.J. Hayes
Genome wide association studies in dairy cattle using high density SNP scans	151
H.W. Raadsma, M.S. Khatkar, G. Moser, M. Hobbs, R. Crump, J.A.L. Cavanagh, and B.Tier
Criteria for selecting and predicting herdlife in dairy cattle	155
M. Haile-Mariam and M.E. Goddard
Beef Cattle ll
The impact of genetic markers for tenderness on steer carcass and feedlot exit and heifer puberty traits in Brahman cattle	159
M.L. Wolcott and D.J. Johnston
Association between Myostatin DNA markers and muscularity in Angus cattle	163
B.A. O'Rourke, P.L. Greenwood, P.F. Arthur and M.E. Goddard
Muscle specific expression of regulatory factors in cattle selected for high and low muscling	167
G. Parnell, Y. Chen, G.S. Nattrass and P.L. Greenwood
Global gene expression profiling of angus cattle selected for low and high net feed intake	171
Y. Chen, C. Gondro, K. Quinn, B. Vanselow, P.F. Parnell and R.M. Herd
Expression of mitochondrial respiratory complex genes in liver tissue of cattle with different feed efficiency phenotypes	175
K.J. Kochan, R.N. Vaughn, T.S. Amen, C.A. Abbey, J.O. Sanders, D.K. Lunt, A.D. Herring, J.E. Sawyer, C.A. Gill and P.K. Riggs
Identification of differentially expressed transcripts in m. longissimus dorsi with divergent marbling phenotypes in Hanwoo (Korean native cattle)	179
S.H. Lee, C. Gondro, J.H.J. van der Werf, N.K. Kim, D.J. Lim, Y.H. Shin, J.P. Gibson and J. M. Thompson
Pigs
QTL mapping for feed conversion efficiency on porcine chromosome 10 in an Australian commercial population	183
Y. Chen, Y. Zhang, I. MacLeod, R. Kerr, K.L. Bunter, B. Hayes, B. Tier, H.-U. Graser, B.G. Luxford, M. Goddard and C. Moran
A genome-wide association analysis identifying SNPS for PRRS tolerance on a commercial pig farm	187
C.R.G. Lewis, M. Torremorell, L. Galina-Pantoja, N. Deeb, M.A. Mellencamp, A.L. Archibald and S.C. Bishop
Effect of halothane genotype on growth parameters, carcase and meat quality traits in the Pietrain Breed of the French National Pig Breeding Program	191
I. Merour, S. Hermesch, S. Schwob and T. Tribout
Genetic correlations between carcase length, fat and muscle depths and primal cut weights in the French Large White Sire line	195
I. Merour, S. Hermesch, R.M. Jones and T. Tribout
Evaluation of pig flight time, average daily gain and backfat using random effect models including grower group	199
R.M. Jones, S. Hermesch and R.E. Crump
Associations between sow body composition, feed intake during lactation and early piglet growth	203
K.L. Bunter, B.G. Luxford, R. Smits and S. Hermesch
Breeding program design including MAS
Breeding objectives for seasonal production systems: an example from New Zealand venison systems	207
J.A. Archer and P.R. Amer
Trans-Tasman genetic evaluations of sheep	212
M.J. Young, S-A.N. Newman, R. Apps, A.J. Ball and D.J. Brown
Combining estimates of SNP effects when they are subpopulation specific	216
P.R. Amer and G.M. Payne
SNP predictors to accelerate the rate of genetic progress in sheep	220
J.A. Sise and P.R. Amer
Association of polymorphisms in candidate genes with carcass and taste panel assessed meat quality traits in a commercial population of Angus-sired beef cattle	224
J.L. Gill, S.C. Bishop, C. McCorquodale, J.L. Williams and P. Wiener
The effect of the inclusion of pedigree data on estimates of carrier status at the agouti locus in sheep	228
J.M. Henshall, J. McNally and B.J. Norris
Animal genomes
I have a draft genome for my species ... what now?	232
Claire M. Wade
SNP origin bias on population structure analysis: an Australian beef cattle case study	239
L.R. Porto Neto and W. Barendse
Population stratification, not genotype error, causes some SNPs to depart from Hardy-Weinberg Equilibrium	243
Y.D. Zhang and B. Tier
Genome structure in australian Holstein Friesian cattle revealed by combined analysis of three high density SNP panels	247
M.S. Khatkar, B. Tier, M. Hobbs, D. Khatkar, J.A.L. Cavanagh, R. Crump, G. Moser and H. W. Raadsma
A peculiarity of gene frequency estimation	251
J.W. James, V.A. Whan and B.J. Norris
Disease resistance
Interpretation and prediction in disease genetics	255
S.C. Bishop
Review of genetic parameters for disease resistance in sheep in New Zealand and Australia	263
C.A. Morris
Opportunities to breed for resistance to breech strike in Merino sheep in a Mediterranean environment	272
J.C. Greeff and L.J.E. Karlsson
Systems genetics analysis reveals gene modules and heritable biomarkers for sheep intestinal parasite resistance	279
H.N. Kadarmideen, N. Andronicos and N.S. Watson-Haigh
On the expression profile of candidate genes conferring resistance to gastro-intestinal nematodes in sheep	283
Shivashankar H Nagaraj, Antonio Reverter, Moira Menzies, Nick Andronicos, and Aaron Ingham
Biotechnology tools and challenges
Current status and future prospects for reproductive technologies in small ruminants	287
W.M.C. Maxwell and G. Evans
Quality Control For Ovine SNP50 Beadchip Genotypes	296
K.G. Dodds, B. Auvray, N. Pickering and J.C. McEwan
Building a deer SNP chip	300
M.J. Bixley, J.F. Ward, R. Brauning, J.A. Archer and P.J. Fisher
Summarization methods and quality problems in Affymetrix microarrays	304
C. Gondro
A new strategy to identify the disease causing mutation for neuronal ceroid lipofuscinosis in South Hamsphire sheep	308
I.F. Mohd Ismail, J.A.L. Cavanagh, N.L. Mitchell, P.J. Houweling, D.N. Palmer and I. Tammen
Sheep - Wool I
An integrated genomics approach to improving wool productivity and quality	312
P. I. Hynd, C.S. Bawden, N.W. Rufaut, B.J. Norris, M. McDowall, A.J. Nixon, Z. Yu, A.J. Pearson, G.S. Nattrass, C. Gordon-Thompson, G.P. Moore, S.M. Dunn, N.M. Edwards, D.H. Smith and C.J. McLaughlan
Weighted co-expression networks shed light on the molecular mechanism of action of metyrapone on wool follicle development	322
N.S. Watson-Haigh, H.N. Kadarmideen, M. McDowall, G.S. Nattrass, H.A. McGrice and P.I. Hynd
Genetic progress in the Australian Sheep Industry	326
A.A. Swan, D.J. Brown and R.G. Banks
Breeding plain-bodied fine wools - No problem!	330
S. Hatcher, K.D. Atkins and K.J. Thornberry
Heritability and phenotypic correlations for breech strike and breech strike resistance indicators in Merinos	334
J.L. Smith, H.G. Brewer and T. Dyall
The relationship between crutch cover score and production and easy care traits in Merino sheep	338
D.H. Smith, E. Safari, F.D. Brien, K.S. Jaensch and R.J. Grimson
Aquaculture
Genetic improvement programs for Aquaculture species in developing countries: Prospects and challenges	342
R.W. Ponzoni, N.H. Nguyen and H.L. Khaw
Development of a breeding strategy for hybrid abalone	350
M. G. Hamilton, P. D. Kube, N. G. Elliott, L. J. McPherson and A. Krsinich
Assessment of the level of heterozyogosity in the Tasmanian Atlantic salmon (Salmon salar) population using single nucleotide polymorphim markers	354
S. Dominik, J.M. Henshall, P.D. Kube, H. King, S. Lien, M. Kent and N.G. Elliott
Heterosis, direct and maternal genetic effects on body traits in a complete diallel cross involving four strains of red Tilapia Oreochromis spp	358
N.H. Nguyen, N. Pongthana and R.W. Ponzoni
Development and early results of the Tasmanian Atlantic salmon breeding program	362
N.G. Elliott and P.D. Kube
Sheep - Wool II
Fibre production and sheep breeding in South America	366
R.C. Cardellino and J.P. Mueller
Effects on lifetime reproductive performance of phenoytpic selection for fleece weight, fibre diameter, body weight and related selection indexes	374
L.R. Piper, A.A. Swan, and H.G. Brewer
Variation in the lifetime reproductive performance of Merino ewes	378
G.J. Lee, K.D. Atkins and M.A. Sladek
Genetic parameters for lifetime reproductive performance of Merino ewes	382
G.J. Lee, K.D. Atkins and M.A. Sladek
Levels of post-weaning loss in the Trangie D-flock (1975-83)	386
C.E. Pope and K.D. Atkins
Genetic variation in clean wool colour in fine wool Merinos	390
J.L. Smith and I.W. Purvis
Statistical methods I
Mixed models in animal breeding: where to now	394
A.R. Gilmour
Latent mixed models	398
Robin Thompson
Statistical genetics to improve robustness of dairy cows	406
R.F. Veerkamp, H.A. Mulder, M.P.L. Calus, J.J. Windig, and J. ten Napel
Sheep - Meat
Meat sheep breeding - where we are at and future challenges	414
N.M. Fogarty
Rates of Genetic Gain in New Zealand Sheep	422
M.J. Young and P.R. Amer
The Information Nucleus - Genetically Improving Australian Lamb Production	426
S.I. Mortimer, K.L. Pearce, R.H. Jacobs, D.L. Hopkins, R.D. Warner, G.H. Geesink, J.E. Hocking Edwards, D.W. Pethick, L.H.J. van der Werf and A.J. Ball
Economic evaluation of whole genome selection using meat sheep as a case study	430
R.G. Banks and J.H.J. van der Werf
Progress in the development of breeding schemes for the Irish sheep industry: the maternal lamb producer groups	434
T.J. Byrne, P.R. Amer, P.F. Fennessy, R.M. Rohloff, A. Cromie, P. Donnellan, G. Potterton, J.P. Hanrahan, and B. Wickham
Statistical Methods II
Cheverud revisited: Scope for joint modelling of genetic and environmental covariance matrices	438
Karin Meyer and Mark Kirkpatrick
Factor-analytic models to reduce computational requirements in international genetic evaluation for beef cattle	442
Karin Meyer
Application of random regression techniques to dissect age-dependent quantitative trait loci for growth in lambs	446
G. Hadjipavlou and S.C. Bishop
Comparison of genetic parameters obtained from an ordinal canine hip phenotype data set by linear and ordinal analyses	450
B.J. Wilson, F.W. Nicholas, J.W. James and P.C. Thomson
A framework to link whole genome SNP association studies to systems genetics	454
S.J. Goodswen, H.N. Kadarmideen, C. Gondro and J.H.J. van der Werf
Statistical considerations in the analysis of gene expression data from heterogeneous sources	458
P.C. Thomson, M. Singh and H.W. Raadsma
AAABG
Thirty years of AAABG	462
Ian Franklin
Posters
Association of microsatellite markers and NRAMP1 gene with bovine tuberculosis traits in Zebu cattle	468
A. Ali, H.N. Kadarmideen, P. C. Thomson, C. Flury, B. Müller and J. Zinsstag
The role of animal genetic improvement in reducing greenhouse gas emissions from beef cattle	472
P.F. Arthur, K.A. Donoghue, R.M. Herd and R.S. Hegarty
Benefits of genetic superiority in residual feed intake in a large commercial feedlot	476
R.M. Herd, S. Piper, J.M. Thompson, P.F. Arthur, B. McCorkell and K.C.P. Dibley
Meta-analysis of cross-bred progeny data for Australian terminal sire sheep	480
R.G. Banks, D.J. Brown and S.R. Field
Evaluation of the Angus BREEDPLAN IMF% EBV in 100d-fed Angus x Hereford steer progeny	484
S.A. Barwick, D.J. Johnston, M.L. Wolcott, J.F. Wilkins and W.A. McKiernan
Genetic parameters for feather weights of breeding ostriches	488
Z. Brand and S.W.P. Cloete
Genetics of lamb survival: a study of Merino resource flocks in South Australia	492
F.D. Brien, M.L. Hebart, K.S. Jaensch, D.H. Smith and R.J. Grimson
Meat quality in Merino ram hoggets	496
S.F. Walkom, F.D. Brien, M.L. Hebart, J.C. Greeff, D.L. Hopkins and W.S. Pitchford
Genetics of wool colour in the South Australian selection demonstration flocks	500
M.L. Hebart and F.D. Brien
Variation in sow health affects the information provided by lactation feed intake data	504
K.L. Bunter, C.R.G. Lewis and B.G. Luxford
Complexities and strategies to identify the causative mutation responsible for single locus inherited diseases in livestock.	508
J.A.L. Cavanagh, I. Tammen and H.W. Raadsma.
IGF-1 genotypes affect growth not tenderness in cattle	512
Lei Yao Chang, W.S. Pitchford and C.D.K. Bottema
Is methane production likely to be a future Merino selection criterion?	516
D.J. Cottle, J.H.J. van der Werf and R.G. Banks
Polymorphisms detected in the tyrosinase and matp (slc45a2) genes did not explain coat colour dilution in a sample of Alpaca (Vicugna pacos)	520
R. Cransberg and K.A. Munyard
QTL analyses of beef muscle fibre type	524
N.G. Cullen, C.A. Morris, P.M. Dobbie, D.L. Hyndman and B.C. Thomson
Leptin gene polymorphisms had no effects on open days and calving interval	528
H. Yazdani, H.R. Rahmani, M.A. Edris and E. Dirandeh
Potential to double the number of cattle tested for residual feed intake	532
K.A. Donoghue, P.F. Arthur and R.M. Herd
Fat distribution in Angus steers is related to residual feed intake estimated breeding value	536
A.R. Egarr. W.S. Pitchford. M.J. Bottema. R.M. Herd. J.P. Siddell. J.M. Thompson and C.D.K. Bottema
Characterization of a human performance gene in the horse	540
N.A. Ellis, P.C. Thomson, R.R. Coomer, A.J. Forhead, M.J. Head, I. Tammen and H.W. Raadsma
Targeted mapping of QTL on chromosomes 1 and 3 for parasite resistance in sheep	544
N.A. Ellis, S.A. Keyis, K.J. Fullard, D. Townley, D. Khatkar, G. Attard, K. Beh, D. Piedrafita and H.W. Raadsma
Estimating heritability of subjectively assessed ostrich leather quality traits using threshold models	548
A. Engelbrecht, S.W.P. Cloete, K.L. Bunter and J.B. van Wyk
Identification of a potential marker for absence of dark fibre in Vicugna pacos (Alpaca)	552
Natasha L. Feeley and Kylie A. Munyard
Association of fibre diameter with wool colour in a South Australian selection flock	556
M.R. Fleet, K.R. Millington, D.H. Smith and R.J. Grimson
A new system for collecting and processing phenotypic and genetic information from sheep for improved selection tools	560
K.G. Geenty, J.H.J. van der Werf, K.P. Gore, A.J. Ball and S. Gill
Effect of the accuracy of an estimated QTL effect on response to Marker-Assisted Selection	564
N. Moghaddar and J.H.J. van der Werf
A comparison of methods for genomic selection in Austrian dual purpose Simmental cattle	568
B. Gredler, K.G. Nirea, T.R. Solberg, C. Egger-Danner, T. Meuwissen and J. Soelkner
Identification of sex specific DNA regions in the snake genome using a subtractive hybridization technique	572
R.P. Harris, D.M. Groth, J. Ledger and C.Y. Lee
Merino ewes divergently selected for calm temperament have a greater concentration of immunoglobulin G in their colostrum than nervous ewes	576
K.W. Hart, C. Contou , M. Blackberry and D. Blache
Survival of adult sheep is driven by longevity genes	580
S. Hatcher, K.D. Atkins and K.J. Thornberry
Genetic association of net feed intake measured at two stages with insulin-like Growth Factor-I, growth and ultrasound scanned traits in Angus cattle	584
M.G. Jeyaruban, D.J. Johnston and H.-U. Graser
Predicting energy balance in growing wethers and estimation of heritability for derived parameters	588
E. Jonas, P.C. Thomson, K.J. Fullard, C.A. Cavanagh and H.W. Raadsma
Predicting energy balance in lactating ewes as a basis for QTL analysis	592
E. Jonas, P.C. Thomson, K.J. Fullard, D. McGill and H.W. Raadsma
A comparison between sheep bred for worm resistance and unselected controls when exposed to low larval challenge during summer	596
K.E. Kemper, J.W.A. Larsen, S.C. Bishop, N. Anderson, M.E. Goddard, J.C. Greeff, R. Woodgate and L.J.E. Karlsson
Breeder perspectives on fat and female management	600
S.J. Lee, I.K. Nuberg and W.S. Pitchford.
Some consequences of selection for residual feed intake in beef cattle	604
D.S. Lines, M.L. Wolcott, W.S. Pitchford, C.D.K. Bottema, R.M. Herd and V.H. Oddy
Survival analyses for length of productive life of Angus cows	608
Karin Meyer
Imputation of missing genotypes in high density SNP data	612
G. Moser, M.S. Khatkar and H.W. Raadsma
Preliminary results on the comparative performance of Holstein and Fleckvieh x Holstein dairy cows	616
C.J.C. Muller, J.A. Botha, S.W.P. Cloete and J.P Potgieter
Isolation and characterisation of alpaca tetranucleotide microsatellite markers	620
K.A. Munyard, J.M. Ledger, C.Y. Lee, C. Babra and D.M. Groth
A decade of Sheep Improvement Limited (SIL)	624
S-A.N. Newman, J.C. McMcEwan and M.J. Young
Mapping of quantitative trait loci (QTL) for muscularity in beef cattle	628
I. Novianti, W.S. Pitchford and C.D.K. Bottema
Genetic relationships among lamb survival, birth coat score, birth weight and 42-day body weight in a South African fine wool Merino stud	632
W.J. Olivier, S.W.P. Cloete and A.C. Greyling
Sheep selected for resistance to facial eczema disease also show higher tolerance to acetaminophen challenge	636
S.H. Phua, P. Johnstone, H. Henry, A. Findlay and C.A. Morris
Mapping QTL for early growth and maternal performance in sheep	640
H.W. Raadsma, E. Jonas, K.R. Zenger, C.A. Cavanagh, M.K. Lam and P.C. Thomson
Improving the accuracy of selecting animals for reduced methane emissions	644
D.L. Robinson
Heritability of plasma concentrations of IGF-1 and its correlation with reproductive performance in Holstein cows in Victorian herds	648
T.E. Stirling, C.R. Stockdale and K.L. Macmillan
Bioethics and DNA diagnostics in animals - are there lessons to be learned from genetic testing in humans?	652
I. Tammen and H.W. Raadsma
QTL analysis of beef fat colour and the effect of BCDO2	656
R. Tian, W.S. Pitchford and C.D.K. Bottema
Genotype x Environment Interactions identified in Southern Australian Beef Production	660
S.L. Truran. M.P.B. Deland. M.L. Hebart. A.P. Verbyla and W.S. Pitchford.
QTL mapping in multiple families using logistic regression	664
Y.D. Zhang and B. Tier
Cattle residual feed intake candidate genes	668
N.A. Zulkifli M. Naik W.S. Pitchford C.D.K. Bottema